Įvadas
The Williams AV DLT 400 Digi-Wave 400 is a versatile digital wireless listening system transceiver designed for a wide range of applications. This device facilitates clear and reliable communication for guided tours, language interpretation, intercom systems, and hearing assistance. Its robust design and advanced features ensure high-quality audio transmission and reception over distances up to 900 feet (274 meters).
This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your DLT 400 transceiver.
Produktas baigtasview

1 pav.: priekis view of the Williams AV DLT 400 Transceiver. The device features an OLED display at the top, control buttons including power, microphone, menu, and navigation arrows, and the "WILLIAMSOUND" logo at the bottom.
The DLT 400 transceiver is a compact, handheld unit equipped with an OLED display for clear status indication and menu navigation. It features intuitive controls for managing audio, modes, and settings.
Pagrindiniai komponentai:
- OLED ekranas: Provides visual feedback on device status, battery level, mode, and settings.
- Maitinimo mygtukas: Naudojamas įrenginiui įjungti ir išjungti.
- Mikrofono mygtukas: Activates/deactivates the internal microphone or connected external microphone.
- Naršymo mygtukai (aukštyn / žemyn / kairėn / dešinėn): For menu navigation and adjusting settings.
- Meniu mygtukas: Pasiekia įrenginio nustatymų meniu.
- 3.5 mm TRRS Headphone Jack: For connecting headphones or earphones.
- 3.5 mm Microphone Jack: For connecting an external electret microphone.
- USB-C prievadas: Used for charging the internal battery and line input/output.
- Vidinis mikrofonas: Built-in microphone for convenient use.
Sąranka
1. Įrenginio įkrovimas:
The DLT 400 features an internal rechargeable Lithium Polymer battery. Before first use, or when the battery is low, charge the device using the included charging pack (DW ACC PAC4) or a standard USB-C charger.
- Connect the USB-C cable to the USB-C port on the DLT 400.
- Connect the other end of the cable to the charging pack or a compatible USB power adapter.
- OLED ekrane bus rodoma įkrovimo būsena. Pilnas įkrovimas trunka maždaug 5 valandos.
- A fully charged battery provides up to 16 hours of talk time.
2. Įjungimas / išjungimas:
- Norėdami įjungti: paspauskite ir palaikykite Galia button until the OLED display illuminates.
- Norėdami išjungti: paspauskite ir palaikykite Galia mygtuką, kol ekranas išsijungs.
3. Prijungimas priedams:
- Ausinės: Plug your 3.5 mm TRRS headphones into the headphone jack.
- Išorinis mikrofonas: Plug an electret microphone into the 3.5 mm microphone jack. The device supports adjustable gain for external microphones.
Naudojimo instrukcijos
The DLT 400 supports various operating modes to suit different communication needs.
1. Režimo pasirinkimas:
Naudokite Meniu button and navigation arrows to select the desired operating mode:
- Guided Tours:
- Vienpusis eismas: For a single guide transmitting to an audience.
- Dvipusis: Allows audience participation or multiple tour guides.
- Language Interpretation: One or more interpreted languages can be transmitted to the audience (one-way).
- Domofonas: Up to six individuals can speak simultaneously, with additional listeners.
- Hearing Assistance: Boosts audio for improved comprehension, ideal for individuals with hearing impairments.
2. Mikrofono naudojimas:
- Paspauskite Mikrofonas button to toggle the microphone (internal or external) on or off.
- Adjust microphone gain through the menu settings if using an external microphone.
3. Garso reguliavimas:
Naudokite Up ir Žemyn navigation buttons to adjust the listening volume through the connected headphones.
4. Power Save Mode:
The device features an Auto Sleep Mode that activates after 5 minutes of no RF signal from compatible devices, conserving battery life.
Priežiūra
1. Valymas:
- Nuvalykite įrenginį minkštu, sausu, nepūkuotu skudurėliu.
- Nenaudokite abrazyvinių valiklių, tirpiklių ar stiprių cheminių medžiagų.
- Venkite drėgmės patekimo į angas.
2. Akumuliatoriaus priežiūra:
- Norėdami optimalaus akumuliatoriaus veikimo laiko, venkite dažnai visiškai jį iškrauti.
- Laikykite prietaisą vėsioje, sausoje vietoje, kai jo ilgesnį laiką nenaudojate.
- Jei akumuliatorius ilgą laiką laikomas sandėlyje, jį periodiškai įkraukite, kad išvengtumėte visiško išsikrovimo.
3. Sandėliavimas:
Store the DLT 400 in its original packaging or a protective case to prevent damage from dust, moisture, and physical impact.
Trikčių šalinimas
If you encounter issues with your DLT 400, refer to the following common troubleshooting steps:
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Įrenginys neįsijungia. | Žemas arba išsikrovęs akumuliatorius. | Įkraukite įrenginį bent 5 valandas. |
| Nėra garso iš ausinių. | Headphones not properly connected; Volume too low; Incorrect mode selected; No active signal. | Ensure headphones are fully plugged in. Increase volume. Verify the correct operating mode is selected. Check if the transmitting device is active. |
| Mikrofonas neveikia. | Microphone muted; External microphone not connected properly; Gain too low. | Press the Microphone button to unmute. Ensure external microphone is fully plugged in. Adjust microphone gain in settings. |
| Prasta garso kokybė arba statinis triukšmas. | Out of range; Interference; Low battery. | Move closer to the transmitting device. Check for sources of 2.4 GHz interference. Recharge the battery. |
| Device enters sleep mode unexpectedly. | No RF signal detected for 5 minutes. | Ensure the transmitting device is active and within range. |
If the problem persists after trying these steps, please contact Williams AV customer support for further assistance.
Specifikacijos
| Funkcija | Detalė |
|---|---|
| Modelio numeris | 400 DLT |
| Baterijos tipas | Lithium Polymer, 1800 mAH |
| Baterijos veikimo laikas | Iki 16 valandų pokalbio laiko |
| Įkrovimo laikas | apytiksliai 5 valandas |
| Veikimo dažniai | 2.4 GHz (ISM juosta); 2402 – 2476 MHz FHSS |
| Garso dažnio atsakas | Intercom Mode: 100 – 7,200Hz; Other Modes: 100 – 11,500Hz |
| SNR | 73 dB |
| THD | 0.1 % (Default Volume, 1kHz) |
| Mikrofono įvestis | Internal microphone and 3.5 mm phone jack (electret bias, adjustable gain) |
| Linijos įvestis | USB-C, Adjustable level |
| Ausinių išvestis | 3.5 mm TRRS headphone jack; 25 mW, R 32 ohms |
| Audio Output (Line) | USB-C, Adjustable level |
| Diapazonas | Iki 900 pėdų (274 m) |
| RF išvestis | 19 dBm Įprasta |
| Saugumas | 87 bit encryption, 87+128 bit Encryption, Encryption PIN, Lock for settings |
| Rodikliai | OLED |
| Įkrovimo jungtys | USB-C |
| Darbinė temperatūra | 14º to 113ºF (-10º to 45ºC) |
| Matmenys (P x A x G) | 4.22 colio x 2.60 colio x 0.50 colio (10.72 cm x 6.60 cm x 1.27 cm) |
| Svoris | 3.3 uncijos (93.5 g) |
| Spalva | Juoda/Sidabrinė |
Garantija ir palaikymas
For detailed warranty information regarding your Williams AV DLT 400 transceiver, please refer to the warranty card included with your product or visit the official Williams AV websvetainėje. Garantijos sąlygos gali skirtis priklausomai nuo regiono ir produkto.
If you require technical assistance, have questions about product functionality, or need to arrange for service, please contact Williams AV customer support. Contact information can typically be found on the manufacturer's websvetainėje arba produkto pakuotėje.
Norėdami gauti naujausią informaciją ir pagalbos išteklius, apsilankykite: www.williamsav.com





